I tried this 15-minute standing dumbbell workout — 5 reasons why it’s perfect for runners

Here's why I recommend it to fellow runners ...
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Forget planks — sculpt your abs and obliques with this 10-minute core workout

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Shutterstock While ...